2017 National Electrical Code

Errata

NFPA 70®

National Electrical Code®

2017 Edition

Reference: 210.12, 424.99(B), 690.15, Table 725.154, and Table 760.154
Errata No: 70-17-3

Code-Making Panels 2, 3, 4, and 17, and the Correlating Committee on National Electrical Code note the
following errors in the 2017 edition of NFPA 70®, National Electrical Code®.

1. Update reference in 210.12 to read as follows :

210.12 Arc-fault circuit-interrupter protection shall be provided as required in 210.12(A), (B), (C), and
(D). The arc-fault circuit interrupter shall be installed in a readily accessible location.

2. Update reference in 424.99(B) to read as follows:

424.99(B) Listed heating panels or panel sets, if installed under floor covering, shall be installed on
floor surfaces that are smooth and flat in accordance with the manufacturer’s instructions and shall
also comply with 424.99(B)(1) through (B)(6).

3. In 690.15 add comma between “converters” and “inverters” in the first sentence to read as follows:

690.15 Disconnection of Photovoltaic Equipment. Isolating devices shall be provided to isolate PV
modules, ac PV modules, fuses, dc-to-dc converters, inverters, and charge controllers from all
conductors that are not solidly grounded. An equipment. . .

4. In Table 725.154, for the applications “In fabricated ducts as described in 300.22(B) ” and
“Within buildings in other than air-handling spaces and risers ”, insert missing horizontal lines,
to read as follows:

JT

hi f;Lhnr;i IpM rtu-ri.i :v

]n fcibrirak'd duels

V*

N

N

N

M

N _

In mr-l.nl Tiici'wjy iIjllI c i:i viLlTi

Y*

Y*

Y*

Willi in hj.LiLriing1: in ylTiiPr

C >nrraL

V*

Y*

Y*

Y*

K ^

rhan jiir Jum.fiUir.ir pint's

mill i i-ikim

Iil out:- lUM 1 1 lyih.liiuIa iL^LLli^s

Y*

Y*

Y+

V*

V

Y*

5. In Table 760.154, for the application “In risers” insert a missing vertical line to read as
follows:

1L

Iri riwi'A

In VtfllJL-jl runs

Y*

Y*

N

1

—

Issue Date: January 1 1, 2017

(Note: Electronic products and pamphlet reprints may have this errata incorporated. For current
information about the NFPA Codes and Standards, including this errata, please see www.nfpa.org/docinfol

Copyright © 2017 All Rights Reserved
NATIONAL FIRE PROTECTION ASSOCIATION